Third Volume - Commentary on John of Holywood's Spheres - I - Page 90 Third Volume - Commentary on John of Holywood's Spheres - I - Page 91
Third Volume - Commentary on John of Holywood's Spheres - I - Page 89



Third Volume - Commentary on John of Holywood's Spheres - I - Page 90 Third Volume - Commentary on John of Holywood's Spheres - I - Page 91 Third Volume - Commentary on John of Holywood's Spheres - I - Page 92